Security readout for executives and security teams
Plain-English summary
MISP versions before 2.4.135 had a missing access-control check in Galaxy element handling. For executives, this is an authorization flaw in a security intelligence platform, not evidence of a broad internet worm or confirmed active exploitation in the supplied sources.
Executive priority
Prioritize remediation where MISP stores sensitive threat intelligence or is accessible to many users. The issue is not proven actively exploited in the supplied data, but authorization flaws in security platforms deserve timely correction.
Technical view
The CVE states that MISP before 2.4.135 lacks an ACL check related to app/Controller/GalaxyElementsController.php and app/Model/GalaxyElement.php. The supplied sources do not define the precise endpoint, attacker role, data impact, CVSS, or CWE. Assess exposure by installed version and review the referenced 2.4.135 code change.
Likely exposure
Organizations running MISP before 2.4.135 are potentially exposed, especially where authenticated users can access Galaxy element functions. The source bundle does not support claims of unauthenticated or public-internet exploitability.
Exploitation context
No supplied source reports active exploitation, and the CVE is not marked as CISA KEV. Exploitability details are incomplete, so avoid assuming attacker prerequisites beyond a missing ACL check in affected MISP code.
Researcher notes
Key gaps are missing CVSS, CWE, affected CPEs, endpoint details, and attacker privilege requirements. The strongest technical evidence is the upstream commit and v2.4.134-to-v2.4.135 comparison identifying the ACL-related fix area.
Mitigation direction
- Upgrade MISP to 2.4.135 or later.
- Review MISP vendor guidance and release notes for related access-control fixes.
- Restrict MISP access to trusted users and networks while upgrades are pending.
- Review user roles and permissions for Galaxy-related functionality.
Validation and detection
- Inventory MISP instances and confirm whether any run before 2.4.135.
- Review the referenced commit and compare affected local files.
- Check application logs for unusual Galaxy element access patterns.
- Confirm post-upgrade that version is 2.4.135 or later.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-29006 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/MISP/MISP/commit/423750573d07f1a463f115ef37182c1825080da4CVE reference · x_refsource_MISC
- https://github.com/MISP/MISP/compare/v2.4.134...v2.4.135CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
